void_setAsFocusedChild(){//this就是上面的node对象FocusNodescopeFocus=this;//这里进行了一次父类遍历for(FocusScopeNodeancestorinancestors.whereType<FocusScopeNode>()){ancestor._focusedChildren.remove(scopeFocus);//将node移至尾端ancestor._focusedChildren.add(scopeFocus);scopeFocus=ancestor;}} ...
To remove the border or underline of a TextField or TextInputField, you need to create an InputDecoration where the border is set to InputBorder.none. The InputDecoration has some arguments for setting the border based on the state of the field. Setting only the border argument should be en...
TextField should correctly resolve provided style for material states by @Renzo-Olivares in #132330 Adds SemanticsNode Finders for searching the semantics tree by @pdblasi-google in #127137 Analyze code snippets in integration_test docs by @goderbauer in #132314 Remove the fast reassemble / sing...
the text field requires/// one of its ancestors to be a [Material] widget./// To remove the decoration entirely (including the extra padding introduced/// by the decoration to save space for the labels), set the [decoration] to/// ...
This widget is used to remove TextField focus if a tap occured somewhere else In order for this to work properly, it must be placed inside MaterialApp or WidgetsApp. This is necessary because this widget requires MediaQuery, which is supplied by those two. ...
Mac 系统当中的命令行工具有很多种，命令行作为一种非图像化的系统指令，可以通过一串串字符将界面展开，...
'DefaultTextEditingShortcuts'(默认文本编辑快捷方式) 是Flutter中用于配置编辑文本时用到的快捷方式的类,它定义了一些默认快捷方式(例如复制、剪切、粘贴和撤销操作),并且可以自定义键盘快捷键。在Flutter中,TextEditController类使用 'DefaultTextEditingShortcuts' 来提供默认的文本编辑快捷方式,但是可以通过自定义它来...
InkWell(radius:200.0,focusColor:Colors.red,hoverColor:Colors.blue,highlightColor:Colors.teal,//长按splashColor:Colors.orangeAccent,//点击时水波纹onTap:(){print('点击了按钮');},child:Text('需要点击的事件',style:TextStyle(color:Colors.orangeAccent,fontSize:30),),),InkResponse(radius:200.0,focus...
When the focus moves to TextField, the interface automatically zooms in and is hard to zoom out (this works normally on Android). Summary Based on the preceding sections, Flutter for Web has several serious problems. If these problems are not solved, Flutter for Web cannot be applied in pro...
AnimationLocalListenersMixin 一个mixin,它实现addListener / removeListener协议,并在调用notifyListeners时通知所有已注册的侦听器。 AnimationLocalStatusListenersMixin 一个mixin,它实现addStatusListener / removeStatusListener协议,并在调用notifyStatusListeners时通知所有已注册的侦听器。